<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    table {
      width: 600px;
      text-align: center;
      margin: 0 auto;
    }

    table,
    th,
    td {
      border: 1px solid #ccc;
      border-collapse: collapse;
      /* 去除边框内的空隙 */
    }

    caption {
      font-size: 18px;
      margin-bottom: 10px;
      font-weight: 700;
    }

    tr {
      height: 40px;
      cursor: pointer;
    }

    table tr:nth-child(1) {
      background-color: #ddd;
    }

    table tr:not(:first-child):hover {
      background-color: #eee;
    }
  </style>
</head>

<body>
  <!-- <h2>学生信息</h2> -->
  <table>
    <caption>学生列表</caption>
    <tr>
      <th></th>
      <th></th>
      <th></th>
      <th></th>
      <th></th>
    </tr>
    <script>
      let students = [
        { name: "小明", age: 19, gender: "男", hometown: "山东菏泽曹县" },
        { name: "小刚", age: 16, gender: "女", hometown: "山东菏泽曹县" },
        { name: "小红", age: 20, gender: "男", hometown: "山东菏泽曹县" },
        { name: "小丽", age: 18, gender: "女", hometown: "山东菏泽曹县" },
      ]
      for (let [i, e] of students.entries()) {
        document.write(`
        <tr>
          <th>${i + 1}</th>
          <th>${e.name}</th>
          <th>${e.age}</th>
          <th>${e.gender}</th>
          <th>${e.hometown}</th>
        </tr>
        <br>
        `)
      }
    </script>
</body>

</html>